Spring motor



- 1,573,556 J. A. LUNDEN SPRING MOTOR Feb. 16,1926.

4 Filed p i923 2 Sheets-Sheet 1 Feb. 16,1926. 1,573,555

J. A. LUNDEN SPRING MOTOR Filed Sept. 21, 1923 2 Sheets-Sheet 2 Patented Feb. 16, 1926. l r v UNITED STATES r r nr QFFICE.

Jenna. LUNDEN, or onrcaeo, rumors, assrenon TO',,LAKESIDE SUPPLY COMPANY,

' or omonso, ILLINOIS, A conronA'rIon or ILLINOIS.

srnine'ivro'ron.

Application filed September21, 1923. Serial No. 663,982.

To alZ'wh-om it mag/concern: V- anchored at its inner end to shaft 2 by a Be it known that I, JOHN A. LUNDEN, a screw 3 and at its outer end to a casing a citizen of the United States, residing at by a rivet 5. The casing is common to both Chicago, in the county of Cook and State of motive units and is arranged to turn upon 5 Illinois, have invented a certain new and the axis of a normally stationary pinion 6 useful Improvement in Spring lWOt01S,"of that is'centrally disposed between both 1nowhich the following isv a full, clear, concise, tive units. The shaft 2 of each motive unit and exact description, I v has a spur gear 7 fixed thereon, both spur My invention relates to spring motors and gears being in mesh with the pinion 6 and 10 has for its general object, the simplification capable of travel thereon, as upon a trackf in construction and improvement of opera- When the springs are permitted to unwind, 1 tion of such motors. turning movement is forced thereby of the The motor of my lnvention comprises a C sing 4.

', a winding element with'which The casing 4 is caused to operate the load.

coiled spring 10 one end of the spring is assembled, arotat- In the instance shown the casing performs 7 abl l ad rati l t. ith whi h the thisfunction through the intermediation-of other end of the spring isassembled, and a a spur gear 8CO-2tXl2tl with the normally mounting upon which said spring, the windstationary pinion 6. Spur gear 8'is in mesh ing and the load operating element turn towi h pinion 9 that is fixed with respect gether bodily. r I l to, and is co-axial with the spur gear 10',

In the preferred embodiment of the inven meshing in turn, with a spur pinion 11.

tion, the winding element is in the form'of .The latter pinion is fixed upon an upright a spur gear with which the inner end of the lOEKl Shaft 12, here illustrated as the drivspring is connected. This spur gear is in mg spindle of a phonograph turn table 13- mesh with a spur pinion that is normally The speed of rotation of the turn table may stationary whereby the spur gear turns upon e g v r d by SOIilB Suitable governor; s h

the pinion as upon a track as the spring uns t ill s r d at 1 Whi h is drWen winds. The load operating element, is pref- {$0111 e p d y e g g erably in the form of a spur gear in mesh Th plnion 6 is normally held from rota? 30 with a pinion of a load operating gear train tion by a detent 15 engageable with a detent and co-axial with the aforesaid normally Wheel 16 fined upon a shaft l'l' that carries a stationary pinion, a bevel pinion 18 which IS 111 mesh with a A detent ermit th i di l t to bevel pinion 19 that is fixed wit-h respect to be turned in a winding direction, but preh pinion 6. The shaft 17 has an angular 35 vents reverse movenient of this eleme t, continuation 20 whichcarries a handle 21.

The invention will be more fully explained Th fl t nt permits he shaft to be turned by reference to the accompanying drawing Clockwise, but prevents reverse mOvemehtillustrating the preferred embodiment therelw t e Shaft 18 u ned olockwlse the pun of a d i hi h Fi 1 1 l i f ion 6 is turned to rotate the spr ng winding 40 motor as it is preferably constructed, taken gears i n line 1-1 of Fig. 3. Fig. 2 is asectional \Vlnle I have herein shown and particuview on line 2-2 of Fig, 1 Fig, 3 i asid larly described the preferred embodlment view taken on line 3-3 of Fig. 1, a inountof my invent on, changes may be made ing for the motor and one form of load b without departing from the spirit of my 111- 45 ing also illustrated; and Fig. i is a sectional 'VBIIUOII- view on line 4-t Fig. 1 with the motor 'Having thus described my invention I mounting and load shown in Fig. 3 added. claim as new and desire to secure by Letters Like parts are indicated by similar char- Patent the following: acte-rs of reference throughout the difierent l. The combination with a coiled spring; 50 figures. of a winding gear element with which one 105 The motor illustrated includes two similar end of the spring is assembled; a rotatable motive units, similar characters of reference load operating element with which the other being applied to similar parts of these units. end of the spring is assembled; a second Each motive unit includes a spring formed winding gear element in mesh with the aforeof a spirally wound ribbon 1 of spring steel, said winding gear element; a winding shaft 110 in driving relation to the second winding gear element; a mounting upon which said spring, the first aforesaid winding gear element, and the load operating element turn together bodily; and a detent associated with the winding shaft permitting rotation of said shaft in a winding direction and preventing reverse rotation of the shaft.

2. The combination with of a winding gear element with which one end "of a spring is assembled; a rotatable load operating element with which the other end of the spring is assembled; a second winding gear element in mesh with the aforesaid winding gear element; means for turning the second winding gear element in a winding direction; a mounting affording an axis of rotation for said spring, the first aforesaid winding gear element and the load operating element that is coincident with the axis of the second aforesaid winding gear element; and a detent associated with the second aforesaid winding gear element permitting rotation thereof in a winding direction and preventing reverse rotation thereof.

The combination with a coiled spring; of a winding gear element with which one end of the spring is assembled; a rotatable load operating element with which the other end of the spring is assembled; a second winding gear element in mesh with the aforesaid winding gear element; and with which the load operating element is co-axial; means for turning the second winding gear element in a winding direction; a mounting affording an axis of rotation for said spring, the first aforesaid winding gear element and the load operating element that is coincicoiled spring dent with the axle of the second aforesaid winding gear element; and a detent associated with the second aforesaid winding gear element permitting rotation thereof in awinding directon and preventing reverse rotation thereof.

4-. The combination with. a coiled spring; of a winding gear element with which one end of the spring is assembled; a rotatable load operating element with which the other end of the spring is assembled; a Second winding gear element inn'iesh with the aforesaid winding gear element; means for turning the second winding gear element in a wind ing direction; and a mounting affording an axis of rotation for said spring, the first aforesaid winding gear element and the load operating element that is coincident with the axis of the second aforesaid winding gear element.

The combination wit-h a coiled spring; of a winding gear elementwith which one end of the spring is assembled; a rotatable load operating element with which the other end of the spring is assembled; a second winding gear element in mesh with the aforesaid winding gear element; and with which the load operating element is coaxial; means for turning the second winding gear element in a winding direction; and a mounting affording an axis of rotation for said spring the first aforesaid winding gear element and the load operating element that is coincident with the axis of the second aforesaid winding gear element.

In witness whereof, I hereunto subscribe my name this 14th day of September A.

JOHN A. LUNDEN. 

